Unified approach for determining tetragonal tungsten bronze crystal structures
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Publication:2808936
DOI10.1107/S2053273314003994zbMATH Open1341.82103arXiv1302.3692OpenAlexW2082910049WikidataQ44648411 ScholiaQ44648411MaRDI QIDQ2808936
Author name not available (Why is that?)
Publication date: 27 May 2016
Published in: (Search for Journal in Brave)
Abstract: Tetragonal tungsten bronze (TTB) oxides are one of the most important classes of ferroelectrics. Many of these framework structures undergo ferroelastic transformations related to octahedron tilting deformations. Such tilting deformations are closely related to the Rigid Unit Modes (RUMs). This paper discusses the whole set of RUMs in an ideal TTB lattice and possible crystal structures which can emerge owing to the condensation of some of them. Analysis of available experimental data for the TTB-like niobates lends credence to the obtained theoretical predictions.
Full work available at URL: https://arxiv.org/abs/1302.3692
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